A prequel set before the haunting of the Lambert family. Teenage girl Quinn seeks help from psychic Elise to deal with a dangerous supernatural entity. As Quinn's supernatural events escalate, Elise and a group of bloggers join forces to save her. With the power of a hidden letter and the guidance of Quinn's deceased mother, they banish the demon and reunite the family.

In Insidious: The Last Key, Elise Rainier faces her most fearsome and personal haunting yet, as she confronts demons from her past and fights to save her own family from the evil that has plagued them for generations. With the help of her loyal sidekick and a group of gifted ghost hunters, Elise must delve into the depths of her childhood home, unlocking secrets and facing terrifying entities in order to protect her loved ones.

A family moves into a new home and their son falls into a coma. Disturbing events occur, leading them to discover that their son can astral project and has become lost in a realm called The Further. They must confront demonic entities to save him.

The sixth installment in the "Insidious" franchise.

Ten years after their astral voyage to The Further, Josh and Dalton Lambert must delve even deeper into the supernatural realm to finally find peace. Renai suggests Josh reconnect with their son, Dalton, during a road trip to his university. However, when Dalton discovers a mysterious red door, he becomes haunted by malevolent demons from The Further.

After the events of Insidious, the Lambert family continue to face supernatural threats as they uncover the dark secrets of their past and try to save their son from the spirit world.

A husband and wife enlist the help of a spell to travel back in time in order to prevent the death of their young daughter. The consequences, of course, prove to be severe.